body {
  text-align: center;
  background: rgb(0,0,0);
  color: rgb(255,255,255)
}
p {
  font-family: arial;
  text-align: center;
  font-size: 22;
}
h1 {
  font-weight: bold;
  font-family: arial;
  text-align: center;
  border-width: 2.5px;
  border-style: solid;
  background: rgb(0,0,0);
}
h2 {
  font-weight: bold;
  font-family: arial;
  text-align: center;
  border-width: 1.5px;
  border-style: solid;
  background: rgb(0,0,0);
}
h3 {
  font-weight: bold;
  font-family: arial;
  text-align: center;
  background: rgb(0,0,0);
}
li {
  font-family: arial;
  text-align: center;
  font-size: 21;
}
a {
  color: rgb(186, 255, 238);
  font-family: arial;
  text-align: center;
  text-decoration: none;
}
a:hover {
  color: rgb(186, 255, 238);
  font-family: arial;
  text-align: center;
  font-weight: bold;
}
a:visited {
  color: rgb(149, 222, 204);
  font-family: arial;
  text-align: center;
  text-decoration: underline 
}
img{
  text-align: center;
  border-width: 0.5px;
  border-style: solid;
}
.underline{
  text-decoration: underline;
}
ol{
  background: rgb(128,128,128);
  border-color: rgb(255,255,255);
  border-style: solid;
  border-width: 2.5px;
}
ul{
  background: rgb(128,128,128);
  border-color: rgb(255,255,255);
  border-style: solid;
  border-width: 2.5px;
}